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. Author manuscript; available in PMC: 2022 Jun 1.
Published in final edited form as: Environ Res. 2021 Apr 18;197:111152. doi: 10.1016/j.envres.2021.111152

Table 1.

Percent of demographic characteristics for women with type 1 diabetes and women without autoimmune disease by demographic variables from the Consortium of Safe Labor, 2002-2008

Women without
autoimmune disease
(N=204384)
Type I Diabetes
(N=507)
p-valuea
Race
White 51.4 55.2 <.01
Black 20.8 24.5
Hispanic 16.9 13.8
Other 10.9 6.5
Age (years)
<20 9.3 9.3 0.63
20-24 25.3 25.0
25-29 28.0 26.8
30-34 22.4 23.9
≥35 15.0 15.0
Insurance <.01
Private 57.1 59.0
Public 30.3 35.7
Other 12.6 5.3
Marital Status <.05
Married 60.3 55.4
Widowed/Divorced 1.6 1.3
Single 35.2 38.6
Unknown 2.8 4.5
Smoking 0.85
Yes 6.3 6.5
No 93.7 93.5
Alcohol 0.46
Yes 1.7 2.1
No 98.3 97.9
Other chronic diseasesb <.01
Yes 14.5 25.6
No 85.5 74.3
Preconception Body Mass Index (kg/m2) <.01
Underweight (<18.5) 3.6 1.3
Normal (18.5-<25) 25.2 17.5
Overweight (25-<30) 19.7 22.4
Obese (≥30) 17.2 23.0
Missing 34.1 35.5
Hospital Type <.01
University teaching 39.6 46.9
Community teaching 52.6 48.3
Community non-teaching 7.8 4.8
Region <.01
Northeast 19.0 13.2
South 38.8 44.9
Midwest 10.2 12.8
West 31.9 28.9
A

p-values assessed using Fisher’s Exact Test.

B

asthma, depression, heart disease, hypertension, renal disease